TI-2020-15532 Aliases CVE-2020-25368 GHSA-4pq3-p5q7-wx2g

A command injection vulnerability was discovered in the HNAP1 protocol in D-Link DIR-823G…

MEDIUM 53CWE-78Published 2021-11-04 · Updated 2026-07-09

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-78.

Summary

A command injection vulnerability was discovered in the HNAP1 protocol in D-Link DIR-823G devices with firmware V1.0.2B05. An attacker is able to execute arbitrary web scripts via shell metacharacters in the PrivateLogin field to Login.

Why it matters now

EPSS 0.08649 95th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:o:dlink:dir-823g_firmware:1.02b05:::::::*	1.02b05	Vulnerable	D-Link Japan K.K.
cpe:2.3:h:dlink:dir-823g:a1:::::::*	a1	Running on	D-Link Japan K.K.

cpe:2.3:o:dlink:dir-823g_firmware:1.02b05:*:*:*:*:*:*:* Versions 1.02b05 Vulnerable ·D-Link Japan K.K.
cpe:2.3:h:dlink:dir-823g:a1:*:*:*:*:*:*:* Versions a1 Running on ·D-Link Japan K.K.

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2020-25368
2026-10-03 Alias added: GHSA-4pq3-p5q7-wx2g
2026-10-11 EPSS moved to the 95th–99th percentile

References

Exploit 1

https://github.com/sek1th/iot/blob/master/dir-823g_2.md

Advisory 1

https://www.dlink.com/en/security-bulletin/

TI-2023-23153 D-Link DIR-823G v1.0.2B05 was discovered to contain a stack overflow via parameter… CVSS 3.1CRITICAL 9.8
TI-2023-23147 D-Link DIR-823G v1.0.2B05 was discovered to contain a stack overflow via parameter… CVSS 3.1CRITICAL 9.8
TI-2023-13961 D-Link DIR823G_V1.0.2B05 was discovered to contain a stack overflow via the NewPassword parameters in SetPasswdSettings. CVSS 3.1CRITICAL 9.8
TI-2023-11745 D-Link DIR-823G firmware version 1.02B05 has a buffer overflow vulnerability, which… CVSS 3.1CRITICAL 9.8
TI-2023-11743 An OS command injection vulnerability in D-Link DIR-823G firmware version 1.02B05 allows… CVSS 3.1CRITICAL 9.8
TI-2023-11742 D-Link DIR-823G firmware version 1.02B05 has a buffer overflow vulnerability, which… CVSS 3.1CRITICAL 9.8

See all 58 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences